John Liu
28Patents
13h-index
32Co-inventors
81Inventor score
Filing activity: Jul 30, 1984 → Nov 11, 2013
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5865911A | Aluminum alloy products suited for commercial jet aircraft wing members | Chemistry; Metallurgy | 38 | Expired |
| US5108520A | Heat treatment of precipitation hardening alloys | Chemistry; Metallurgy | 37 | Expired |
| US5859535A | System for determining size and location of defects in material by use of microwave radiation | Physics | 36 | Expired |
| US6972110B2 | Aluminum alloy products having improved property combinations and method for artificially aging same | Chemistry; Metallurgy | 34 | Expired |
| US4863528A | Aluminum alloy product having improved combinations of strength and corrosion resistance properties and method for producing the same | Chemistry; Metallurgy | 30 | Expired |
| US5278498A | Surface conforming flexible eddy current probe for scanning varying surface contours | Physics | 28 | Expired |
| US5865914A | Method for making an aerospace structural member | Chemistry; Metallurgy | 27 | Expired |
| US5192378A | Aluminum alloy sheet for food and beverage containers | Chemistry; Metallurgy | 26 | Expired |
| US5863359A | Aluminum alloy products suited for commercial jet aircraft wing members | Chemistry; Metallurgy | 23 | Expired |
| US8444092B2 | Metal sheets and plates having friction-reducing textured surfaces and methods of manufacturing same | Emerging Cross-Sectional Technologies | 18 | Active |
| US5061327A | Method of producing unrecrystallized aluminum products by heat treating and further working | Chemistry; Metallurgy | 17 | Expired |
| US6444058B1 | High toughness plate alloy for aerospace applications | Chemistry; Metallurgy | 16 | Expired |
| US7097719B2 | Aluminum alloy product having improved combinations of properties | Chemistry; Metallurgy | 13 | Expired |
| US8578747B2 | Metal sheets and plates having friction-reducing textured surfaces and methods of manufacturing same | Emerging Cross-Sectional Technologies | 11 | Active |
| US9297394B2 | Metal sheets and plates having friction-reducing textured surfaces and methods of manufacturing same | Emerging Cross-Sectional Technologies | 10 | Active |
| US6172510A | System for detection of flaws by use of microwave radiation | Physics | 9 | Expired |
| US6325869A | Aluminum alloy extrusions having a substantially unrecrystallized structure | Chemistry; Metallurgy | 9 | Expired |
| US4659396A | Metal working method | Chemistry; Metallurgy | 8 | Expired |
| US6411105B1 | Nondestructive detection of steel surface corrosion | Physics | 6 | Expired |
| US6918975B2 | Aluminum alloy extrusions having a substantially unrecrystallized structure | Chemistry; Metallurgy | 3 | Expired |
| US10450640B2 | Aluminum alloy products having improved property combinations and method for artificially aging same | Chemistry; Metallurgy | 2 | Active |
| US8298682B2 | Metal bodies containing microcavities and apparatus and methods relating thereto | Emerging Cross-Sectional Technologies | 1 | Active |
| US6576071B2 | High toughness plate alloy for aerospace applications | Chemistry; Metallurgy | 1 | Expired |
| US7678205B2 | Aluminum alloy products having improved property combinations and method for artificially aging same | Chemistry; Metallurgy | 1 | Expired |
| USRE36979E | Surface conforming flexible eddy current probe for scanning varying surface contours | General | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.